Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 337, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Sep 2, 2012, 7:09 PM EDT for Guilford County, North Carolina. It was in force for 67 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 2, 2012, 7:09 PM EDT (23:09 UTC)
- Expired
- Sep 2, 2012, 8:16 PM EDT
- In force
- 67 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
County Guilford County, NC
The radar
The Roanoke radar (KFCX), 111 km from the middle of the area, began a volume at 23:11 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 2, 7:30 PM EDT | TSTM WND DMG | 4 Nnw Greensboro, NC | TREE DOWN ON CAR AT 3915 BATTLEGROUND AVE. |
| Sep 2, 7:50 PM EDT | TSTM WND DMG | 3 Nnw Pleasant Garden, NC | ONE TREE WAS BLOWN DOWN NEAR 200 LASALLE WAY. |
| Sep 2, 8:09 PM EDT | TSTM WND DMG | 4 Nw Gibsonville, NC | ONE TREE WAS BLOWN DOWN AT 6734 KEANSBURG ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.2 hours before the alert went out and 7 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 812 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1077 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
744
WUUS52 KRAH 022309
SVRRAH
NCC081-030030-
/O.NEW.KRAH.SV.W.0337.120902T2309Z-120903T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
709 PM EDT SUN SEP 2 2012
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
GUILFORD COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 830 PM EDT
* AT 706 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM COLFAX TO 6 MILES
SOUTH OF HIGH POINT...OR ALONG A LINE EXTENDING FROM 9 MILES
SOUTHEAST OF BELEWS CREEK TO 6 MILES SOUTH OF HIGH POINT...MOVING
EAST AT 15 MPH. QUARTER SIZED HAIL AND WINDS IN EXCESS OF 58 MPH
ARE LIKELY WITH THIS STORM.
* LOCATIONS IMPACTED INCLUDE...
STOKESDALE...
JAMESTOWN...
SUMMERFIELD...
GREENSBORO...
LAKE TOWNSEND...
PLEASANT GARDEN...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
LARGE HAIL WILL DAMAGE VEHICLES...WINDOWS AND SOME ROOFS. SEVERE
WINDS WILL BLOW DOWN TREES...POWER LINES...AND CAN DAMAGE MOBILE
HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED. STAY AWAY FROM WINDOWS.
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING...1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.
&&
LAT...LON 3625 7954 3590 7954 3592 8004 3593 8005
3615 8004 3626 8003
TIME...MOT...LOC 2309Z 250DEG 12KT 3614 7998 3590 8003
$$
MWS5 follow-up statements
207
WWUS52 KRAH 022323
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
723 PM EDT SUN SEP 2 2012
NCC081-030030-
/O.CON.KRAH.SV.W.0337.000000T0000Z-120903T0030Z/
GUILFORD NC-
723 PM EDT SUN SEP 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR GUILFORD COUNTY...
AT 718 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM COLFAX TO HIGH POINT...OR ALONG A LINE
EXTENDING FROM 8 MILES NORTHWEST OF GREENSBORO TO HIGH POINT...MOVING
EAST AT 15 MPH.
HAZARDS IN THE WARNING INCLUDE...
DAMAGING WINDS IN EXCESS OF 58 MPH.
LOCATIONS IN THE PATH OF THE STORM INCLUDE... JAMESTOWN...
SUMMERFIELD...GREENSBORO...LAKE TOWNSEND...PLEASANT GARDEN...
CLIMAX...MONTICELLO...MCLEANSVILLE...GIBSONVILLE AND FOREST OAKS.
WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.
LAT...LON 3625 7954 3590 7954 3592 8004 3593 8005
3615 8004 3626 8003
TIME...MOT...LOC 2323Z 250DEG 12KT 3616 7992 3592 7998
$$
MWS384
WWUS52 KRAH 022335
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
735 PM EDT SUN SEP 2 2012
NCC081-030030-
/O.CON.KRAH.SV.W.0337.000000T0000Z-120903T0030Z/
GUILFORD NC-
735 PM EDT SUN SEP 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR GUILFORD COUNTY...
AT 730 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM LAKE TOWNSEND TO JAMESTOWN...OR ALONG A
LINE EXTENDING FROM 6 MILES NORTH OF GREENSBORO TO 7 MILES SOUTHEAST
OF HIGH POINT...MOVING EAST AT 25 MPH.
LOCATIONS IN THE PATH OF THE STORM INCLUDE... PLEASANT GARDEN...
MONTICELLO...CLIMAX...FOREST OAKS...MCLEANSVILLE AND GIBSONVILLE.
WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.
LAT...LON 3625 7967 3625 7954 3590 7954 3592 8001
3626 7996
TIME...MOT...LOC 2335Z 259DEG 21KT 3617 7980 3593 7986
$$
MWS780
WWUS52 KRAH 022344
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
744 PM EDT SUN SEP 2 2012
NCC081-030030-
/O.CON.KRAH.SV.W.0337.000000T0000Z-120903T0030Z/
GUILFORD NC-
744 PM EDT SUN SEP 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR GUILFORD COUNTY...
AT 743 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM LAKE TOWNSEND TO PLEASANT GARDEN...OR
ALONG A LINE EXTENDING FROM 8 MILES NORTHEAST OF GREENSBORO TO 8
MILES NORTH OF RANDLEMAN...MOVING EAST AT 25 MPH.
HAZARDS IN THE WARNING INCLUDE...
DAMAGING WINDS IN EXCESS OF 58 MPH.
LOCATIONS IN THE PATH OF THE STORM INCLUDE... MONTICELLO...CLIMAX...
FOREST OAKS...MCLEANSVILLE AND GIBSONVILLE.
WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.
LAT...LON 3590 7954 3592 7993 3592 7994 3626 7991
3626 7986 3625 7980 3625 7970 3625 7967
3625 7954
TIME...MOT...LOC 2344Z 259DEG 21KT 3618 7974 3594 7980
$$
MWS292
WWUS52 KRAH 030003
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
803 PM EDT SUN SEP 2 2012
NCC081-030030-
/O.CON.KRAH.SV.W.0337.000000T0000Z-120903T0030Z/
GUILFORD NC-
803 PM EDT SUN SEP 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR EASTERN GUILFORD COUNTY...
AT 759 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM MONTICELLO TO CLIMAX...OR ALONG A LINE
EXTENDING FROM 11 MILES SOUTH OF REIDSVILLE TO 10 MILES NORTHEAST OF
RANDLEMAN...MOVING EAST AT 20 MPH.
HAZARDS IN THE WARNING INCLUDE...
DAMAGING WINDS IN EXCESS OF 58 MPH.
LOCATIONS IN THE PATH OF THE STORMS INCLUDE... GIBSONVILLE...AND
SURROUNDING AREAS IN EASTERN GUILFORD COUNTY.
WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.
LAT...LON 3625 7954 3590 7954 3590 7971 3591 7971
3592 7983 3625 7979
TIME...MOT...LOC 0002Z 260DEG 18KT 3619 7963 3595 7969
$$
MWS776
WWUS52 KRAH 030016
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
816 PM EDT SUN SEP 2 2012
NCC081-030025-
/O.CAN.KRAH.SV.W.0337.000000T0000Z-120903T0030Z/
GUILFORD NC-
816 PM EDT SUN SEP 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GUILFORD COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND THE WARNING IS
NO LONGER IN EFFECT.
HOWEVER...DEADLY CLOUD-TO-GROUND LIGHTNING...AND BRIEFLY TORRENTIAL
DOWNPOURS...WILL CONTINUE OVER EASTERN GUILFORD COUNTY THROUGH
AROUND 830 OR 845 PM.
IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE
HAIL...PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE 1...8 7 7...6 3 3...6 7 7 2...OR NOTIFY YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN RALEIGH.
LAT...LON 3625 7954 3590 7954 3590 7971 3591 7971
3592 7983 3625 7979
TIME...MOT...LOC 0015Z 260DEG 18KT 3620 7955 3596 7961
$$
MWSThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 12:24 PM EDT | Special Weather Statement | RAH | Alamance, Chatham, Durham, Franklin, Granville, Harnett and 5 more | 66 min |
| Sep 2, 1:16 PM EDT | Areal Flood Advisory | RAH | Harnett, Wake | 104 min |
| Sep 2, 1:37 PM EDT | Special Weather Statement | RAH | Alamance, Chatham, Durham, Franklin, Granville, Harnett and 7 more | 83 min |
| Sep 2, 2:32 PM EDT | Severe Thunderstorm Warning | RAH | Granville, Person | 43 min |
| Sep 2, 2:55 PM EDT | Areal Flood Advisory | RAH | Chatham, Wake | 44 min |
| Sep 2, 3:08 PM EDT | Special Weather Statement | RAH | Wilson | 67 min |
| Sep 2, 3:10 PM EDT | Special Weather Statement | RAH | Granville, Person, Vance | 65 min |
| Sep 2, 3:26 PM EDT | Severe Thunderstorm Warning | RAH | Wayne, Wilson | 36 min |
| Sep 2, 5:52 PM EDT | Special Weather Statement | RAH | Davidson, Forsyth | 68 min |
| Sep 2, 6:58 PM EDT | Special Weather Statement | RAH | Guilford, Randolph | 77 min |
| Sep 2, 7:13 PM EDT | Special Weather Statement | RAH | Person | 62 min |
| Sep 2, 7:51 PM EDT | Special Weather Statement | RAH | Alamance | 54 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.